User's Guide

Table Of Contents
MTP8550Ex Controls and Indicators
3
6
7
8
9
5
4
3
2
1
17
18
6
19
20
21
16
13
14
11
12
10
15
Table 5: MTP8550Ex Controls and Indicators
Annotation Description
1 Backlight Sensor
The backlight sensor measures ambient light intensity. When the display back-
light is active and a low light condition is detected, the keypad is illuminated.
2 Rotary Knob
MN006260A01-AD
Chapter 2 : Getting Started
36